Hercules Strong Guard H-MD 12R22.5/18 152/149K - 98491

The Hercules Strong Guard H-MD in 12R22.5 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.

What 12R22.5 means

12R22.5 is a commercial-format size: 12 is the nominal section width in inches, R denotes radial construction, and 22.5 is the wheel diameter in inches — a common drive, steer, and trailer wheel size on medium- and heavy-duty trucks.

The service description on this tire decodes to a load index of 152 — a maximum load of 7,826 lbs per tire, or 149 (7,165 lbs) per tire when mounted as duals. The speed symbol K corresponds to a maximum sustained speed of 68 mph.

Specifications

Frequently asked questions

What does 152/149K mean on the Hercules Strong Guard H-MD?

152/149K breaks down as load index 152 — rated for 7,826 lbs per tire (149, or 7,165 lbs, in dual fitment) — with a K speed rating, good for a maximum sustained 68 mph.

Will 12R22.5 tires fit my vehicle?

Check the size molded into your current tire's sidewall or the tire placard inside the driver's door jamb — if it reads 12R22.5, this tire matches your vehicle's fitment. If you're changing sizes, compare overall diameter to keep your speedometer and clearances right.

How fast does this tire ship?

Every order at ThreePiece.us ships free, with fast delivery from a nationwide warehouse network. Affirm financing is available at checkout.

Keep shopping

Browse Hercules tires, see every Hercules Strong Guard H-MD size, or view all tires at ThreePiece.us.